From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail137.messagelabs.com (mail137.messagelabs.com [216.82.249.19]) by kanga.kvack.org (Postfix) with SMTP id 781536B01F2 for ; Tue, 17 Aug 2010 09:47:28 -0400 (EDT) From: Jeff Moyer Subject: Re: [RFC] [PATCH 2/4] dio: add page locking for direct I/O References: <1281432464-14833-1-git-send-email-n-horiguchi@ah.jp.nec.com> <20100812075323.GA6112@spritzera.linux.bs1.fc.nec.co.jp> <20100812075941.GD6112@spritzera.linux.bs1.fc.nec.co.jp> <20100816020737.GA19531@spritzera.linux.bs1.fc.nec.co.jp> <20100817081753.GA28762@spritzera.linux.bs1.fc.nec.co.jp> Date: Tue, 17 Aug 2010 09:46:56 -0400 In-Reply-To: <20100817081753.GA28762@spritzera.linux.bs1.fc.nec.co.jp> (Naoya Horiguchi's message of "Tue, 17 Aug 2010 17:17:53 +0900") Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: owner-linux-mm@kvack.org To: Naoya Horiguchi Cc: Christoph Lameter , Andi Kleen , Andrew Morton , Mel Gorman , Wu Fengguang , Jun'ichi Nomura , linux-mm , LKML , Andrea Arcangeli List-ID: Naoya Horiguchi writes: > BTW, from the discussion with Christoph I noticed my misunderstanding > about the necessity of additional page locking. It would seem that > without page locking there is no danger of racing between direct I/O and > page migration. So I retract this additional locking patch-set. OK, great! ;-) Cheers, Jeff -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org